Ear plug for respiratory mask



FIG. 1 is a front perspective view of an ear plug for respiratory mask showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in the inner portion of the ear plug in FIGS. 1 and 3, which are immediately adjacent to claimed surfaces, represent the bounds of the claimed design, while all other broken lines are directed to the environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

The ornamental design for an ear plug for respiratory mask, as shown and described. 